JP3971745B2 - Method and apparatus for manufacturing clutch friction plate - Google Patents

Method and apparatus for manufacturing clutch friction plate Download PDF

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Publication number
JP3971745B2
JP3971745B2 JP2003425562A JP2003425562A JP3971745B2 JP 3971745 B2 JP3971745 B2 JP 3971745B2 JP 2003425562 A JP2003425562 A JP 2003425562A JP 2003425562 A JP2003425562 A JP 2003425562A JP 3971745 B2 JP3971745 B2 JP 3971745B2
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Prior art keywords
friction material
core plate
annular core
strip
friction
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JP2005180651A (en
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研亮 小栗
努 坪井
晃宏 山下
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FCC Co Ltd
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FCC Co Ltd
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Priority to JP2003425562A priority Critical patent/JP3971745B2/en
Priority to US10/913,497 priority patent/US7240413B2/en
Priority to DE602004021341T priority patent/DE602004021341D1/en
Priority to EP04254854A priority patent/EP1548312B1/en
Priority to CA002478134A priority patent/CA2478134C/en
Publication of JP2005180651A publication Critical patent/JP2005180651A/en
Priority to US11/808,820 priority patent/US7434300B2/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D13/00—Friction clutches
    • F16D13/58—Details
    • F16D13/60—Clutching elements
    • F16D13/64—Clutch-plates; Clutch-lamellae
    • F16D13/648—Clutch-plates; Clutch-lamellae for clutches with multiple lamellae
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D2069/004—Profiled friction surfaces, e.g. grooves, dimples
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D69/04—Attachment of linings
    • F16D2069/0425—Attachment methods or devices
    • F16D2069/0491—Tools, machines, processes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2250/00—Manufacturing; Assembly
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
    • Y10T156/1313—Cutting element simultaneously bonds [e.g., cut seaming]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53909—Means comprising hand manipulatable tool
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/2457—Parallel ribs and/or grooves

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)
  • Mechanical Operated Clutches (AREA)

Description

本発明は，環状芯板の環状平面に，複数の摩擦材セグメントを，それらの摩擦材セグメント間に油溝を形成するようにして接着することでクラッチ用摩擦板を製造する製造方法および装置の改良に関する。     The present invention relates to a manufacturing method and apparatus for manufacturing a friction plate for a clutch by bonding a plurality of friction material segments to an annular plane of an annular core plate so as to form an oil groove between the friction material segments. Regarding improvement.

従来，この種の摩擦板を製造するにあたり，帯状摩擦材をその長手方向に間隔をあけて切断することで得た複数の摩擦材セグメントを環状芯板に接着するようにしたもの（たとえば特許文献１参照。）や，帯状摩擦材に打ち抜き加工を施すことで得た複数の摩擦材セグメントを環状芯板に接着するようにしたもの（たとえば特許文献２参照。）が知られている。
特公平４−６８４９１号公報 特公平４−６８４９４号公報 Conventionally, in manufacturing this type of friction plate, a plurality of friction material segments obtained by cutting a belt-like friction material at intervals in the longitudinal direction are bonded to an annular core plate (for example, Patent Document 1) and a structure in which a plurality of friction material segments obtained by punching a belt-shaped friction material are bonded to an annular core plate (for example, see Patent Document 2).
Japanese Examined Patent Publication No. 4-68491 Japanese Examined Patent Publication No. 4-68494

ところが，上記特許文献１で開示されるものでは，環状芯板の接線方向に沿う方向で送られる帯状摩擦材をその先端部から順番に切断して得た摩擦材セグメントを環状芯板に接着するものであり，各摩擦材セグメント相互間に形成される油溝の形状の自由度が低くなってしまう。また上記特許文献２で開示されるものでは，必要とされる帯状摩擦材の面積に対して得られた摩擦材セグメントが占める面積の割合，すなわち歩留りが低くなってしまう。   However, in the one disclosed in Patent Document 1, the friction material segment obtained by cutting the belt-like friction material fed in the direction along the tangential direction of the annular core plate in order from the tip is bonded to the annular core plate. Therefore, the degree of freedom of the shape of the oil groove formed between the friction material segments is reduced. Moreover, in what is disclosed by the said patent document 2, the ratio of the area which the friction material segment occupies with respect to the area of the required strip | belt-shaped friction material, ie, a yield, will become low.

本発明は，かかる事情に鑑みてなされたものであり，油溝の形状の自由度を高めるとともに摩擦材セグメントを製作する上での歩留りの向上を図ったクラッチ用摩擦板の製造方法，ならびにその製造方法を適切に実施し得るようにしたクラッチ用摩擦板の製造装置を提供することを目的とする。   The present invention has been made in view of such circumstances, and a method for manufacturing a friction plate for a clutch that increases the degree of freedom in the shape of an oil groove and improves the yield in manufacturing a friction material segment, and its It is an object of the present invention to provide an apparatus for manufacturing a friction plate for a clutch capable of appropriately carrying out a manufacturing method.

請求項１記載の発明は，環状芯板の環状平面に，複数の摩擦材セグメントを，それらの摩擦材セグメント間に油溝を形成するようにして接着することでクラッチ用摩擦板を製造する製造方法であって，前記環状芯板の一直径線に沿う方向に帯状摩擦材を送りつつ該帯状摩擦材にその長手方向に沿う連続的な切り込みを入れて複数の短冊状摩擦材を形成する工程と，複数の前記短冊状摩擦材の先端部のうち前記摩擦材セグメントに対応する部分の相互間に油溝の幅に対応する間隔を保持して，該部分を前記環状芯板の周方向および前記一直径線に沿う方向での位置を定めつつ該環状芯板の上方位置で位置決め保持する工程と，環状芯板の上方で位置決めした状態にある複数の前記短冊状摩擦材の先端部を，上下に移動可能な切り刃により少なくとも前記環状芯板の外周部に沿う円弧線を含む切除線で切り離して複数の前記摩擦材セグメントを形成する工程と，接着剤が塗布された状態にある前記環状平面に，複数の前記摩擦材セグメントを，前記切り刃に設けられた押さえ手段によって押しつけて接着する工程とを用いることを特徴とする。 The invention according to claim 1 is a manufacturing method for manufacturing a friction plate for a clutch by bonding a plurality of friction material segments to an annular plane of an annular core plate so as to form an oil groove between the friction material segments. A method for forming a plurality of strip-shaped friction materials by feeding a strip-shaped friction material in a direction along one diameter line of the annular core plate and continuously cutting the strip-shaped friction material along a longitudinal direction thereof. If, retain the intervals corresponding to the width of the oil groove therebetween in a portion corresponding to the friction material segment of the distal end portion of the plurality of strip-shaped friction member, the circumferential direction and in the partial the annular core plate A step of positioning and holding at an upper position of the annular core plate while determining a position in the direction along the one-diameter line, and a plurality of strip-shaped friction material tips positioned above the annular core plate , less the movable cutter blade in the vertical To the annular flat surface which is also a step of forming a plurality of said friction material segment disconnect the resected lines including arc line along the outer periphery of the annular core plate, the state in which the adhesive is applied, a plurality of the friction material And a step of pressing and bonding the segments by pressing means provided on the cutting blade .

また請求項２記載の発明は，環状芯板の環状平面に，複数の摩擦材セグメントを，それらの摩擦材セグメント間に油溝を形成するようにして接着することでクラッチ用摩擦板を製造する製造装置であって，接着剤が塗布された前記環状平面を上向きとした前記環状芯板をその軸線まわりに間欠的に回動せしめるようにして位置決め支持し得る支持手段と，該支持手段で位置決め支持された環状芯板の一直径線に沿う方向に延びる帯状摩擦材の下面を接触させるようにして固定位置で回転する回転受け刃と，該回転受け刃の外周に接触するように回転して前記帯状摩擦材にその長手方向に沿う切り込みを入れることで複数の短冊状摩擦材を形成する１もしくは同軸の複数の回転丸刃と，前記支持手段で位置決め支持された前記環状芯板側に向けて複数の前記短冊状摩擦材を送るべく各短冊状摩擦材にその下方から共通に接触する送りローラと，送りローラとの間に各短冊状摩擦材を挟み込みつつ各短冊状摩擦材の上面に個別に接触して回転する複数のウレタンローラと，前記送りローラおよび複数の前記ウレタンローラで送り込まれる複数の短冊状摩擦材の先端部のうち前記摩擦材セグメントに対応する部分の相互間に油溝の幅に対応する間隔を形成して，該部分を前記環状芯板の周方向および前記一直径線に沿う方向での位置を定めつつ該環状芯板の上方位置で位置決め保持する櫛歯状に形成された張出部を一体に有する位置決めブロックと，前記支持手段で位置決め支持された環状芯板に対して上下に移動可能であるとともに前記環状芯板の外周部に沿う円弧部を少なくとも有する切り刃と，前記位置決めブロックで位置決め保持された状態にある複数の短冊状摩擦材の先端部を前記切り刃との協働により切り離して複数の前記摩擦材セグメントを形成すべく前記位置決めブロックに固定される受け刃と，前記切り刃および受け刃で切り離された複数の摩擦材セグメントを環状芯板の環状平面に向けて押しつけることを可能として前記切り刃に設けられる押さえ手段とを備えることを特徴とする。 According to the second aspect of the present invention, a friction plate for a clutch is manufactured by bonding a plurality of friction material segments to an annular plane of an annular core plate so as to form oil grooves between the friction material segments. A manufacturing apparatus, a support means capable of positioning and supporting the annular core plate with the annular surface coated with an adhesive facing upward so as to intermittently rotate about its axis, and positioning by the support means A rotating receiving blade that rotates at a fixed position so that the lower surface of the belt-like friction material extending in a direction along the diameter line of the supported annular core plate contacts, and a rotating receiving blade that rotates to contact the outer periphery of the rotating receiving blade. One or a plurality of coaxial rotating round blades that form a plurality of strip-shaped friction materials by making incisions along the longitudinal direction of the belt-shaped friction material, and toward the annular core plate that is positioned and supported by the support means A feeding roller that contacts each strip-shaped friction material in common from below to feed the plurality of strip-shaped friction materials, and each strip-shaped friction material is sandwiched between the feeding rollers and individually on the upper surface of each strip-shaped friction material. Between the portions corresponding to the friction material segments among the plurality of urethane rollers rotating in contact with the front end portions of the feed rollers and the plurality of strip-like friction materials fed by the plurality of urethane rollers . An interval corresponding to the width is formed, and the portion is formed in a comb-like shape that is positioned and held at an upper position of the annular core plate while determining a position in a circumferential direction of the annular core plate and a direction along the one diameter line. at least Yusuke and positioning block, an arc portion with a vertically movable along the outer periphery of the annular core plate relative to the annular core plate positioned supported by said support means having a projecting portion that is integrally Fixed to the positioning block to form a plurality of the friction material segments by separating the cutting blades and the tip portions of the plurality of strip-shaped friction materials that are positioned and held by the positioning block in cooperation with the cutting blade. And a pressing means provided on the cutting blade to enable the cutting blade and a plurality of friction material segments separated by the receiving blade to be pressed against the annular flat surface of the annular core plate. And

請求項１記載の発明によれば，帯状摩擦材にその長手方向に沿う連続的な切り込みを入れることによって複数の短冊状摩擦材を形成し，それらの短冊状摩擦材の先端部のうち摩擦材セグメントに対応する部分の相互間に油溝の幅に対応する間隔を保持せしめ，環状芯板の上方位置で位置決め保持した状態で，上下に移動可能な切り刃により少なくとも環状芯板の外周部に沿う円弧線を含む切除線で切り離すことで形成した複数の摩擦材セグメントを，接着剤が塗布された環状芯板の環状平面に，前記切り刃に設けられた押さえ手段によって押しつけて接着するようにしているので，各摩擦材セグメント相互間の油溝の幅および形状の自由度を高めることができ，しかも摩擦材セグメントを製作する上での歩留りの向上を図ることが可能である。 According to the first aspect of the present invention, a plurality of strip-shaped friction materials are formed by making continuous incisions along the longitudinal direction of the belt-shaped friction material, and the friction material among the tip portions of the strip-shaped friction materials. therebetween of a portion corresponding to the segment allowed retain the interval corresponding to the width of the oil groove, while positioning and holding in position above the annular core plate, the outer peripheral portion of at least the annular core plate by the movable cutting blade in the vertical A plurality of friction material segments formed by cutting along a cutting line including an arcuate line is pressed and adhered to the annular flat surface of the annular core plate to which the adhesive is applied by the pressing means provided on the cutting blade. As a result, the degree of freedom in the width and shape of the oil groove between the friction material segments can be increased, and the yield in manufacturing the friction material segments can be improved.

また請求項２記載の発明によれば，帯状摩擦材の下面を接触させる回転受け刃と，該回転受け刃の外周に接触するように回転する１もしくは同軸の複数の回転丸刃とで，帯状摩擦材に切り込みを入れて複数の短冊状摩擦材を形成し，形成された複数の短冊状摩擦材を，各短冊状摩擦材にその下方から共通に接触する送りローラならびに各短冊状摩擦材の上面に個別に接触して回転する複数のウレタンローラで環状芯板側に送り，櫛歯状に形成された張出部を一体に有する位置決めブロックにより環状芯板の上方位置で相互に油溝の幅に対応する間隔をおいて位置決め保持された複数の短冊状摩擦材の先端部を，上下に移動するとともに環状芯板の外周部に沿う円弧部を少なくとも有する切り刃ならびに位置決めブロックに取付けられる受け刃により切除して複数の摩擦材セグメントを形成し，それらの摩擦材セグメントを切り刃に設けられる押さえ手段で環状平面に押しつけるようにしているので，切断部分の毛羽立ちや切断に伴う塵埃の発生を極力抑制しつつ，簡単かつ安価な構成で請求項１記載の製造方法を適切に実施することができる。 According to a second aspect of the present invention, there is provided a belt-like shape comprising a rotating blade that contacts the lower surface of the belt-like friction material and one or a plurality of coaxial rotating round blades that rotate so as to contact the outer periphery of the rotating blade. The friction material is cut to form a plurality of strip-shaped friction materials, and the formed plurality of strip-shaped friction materials are fed to each of the strip-shaped friction materials from the lower side in common with the feed roller and each of the strip-shaped friction materials. A plurality of urethane rollers that individually rotate in contact with the upper surface are fed to the annular core plate side, and oil grooves are mutually positioned at the upper position of the annular core plate by a positioning block that integrally has a protruding portion formed in a comb shape . A cutting blade having at least tip portions of a plurality of strip-shaped friction materials positioned and held at intervals corresponding to the width thereof and moving upward and downward and having a circular arc portion along the outer peripheral portion of the annular core plate and a receiver attached to the positioning block blade A plurality of friction material segments are formed by further cutting, and these friction material segments are pressed against the annular flat surface by pressing means provided on the cutting blade, so that generation of dust due to fluffing or cutting of the cut portion is minimized. The manufacturing method according to claim 1 can be appropriately carried out with a simple and inexpensive configuration while suppressing.

以下，本発明の実施の形態を，添付の図面に示した本発明の実施例に基づいて説明する。   Hereinafter, embodiments of the present invention will be described based on examples of the present invention shown in the accompanying drawings.

図１〜図１０は本発明の第１実施例を示すものであり，図１はクラッチ用摩擦板の平面図，図２はクラッチ用摩擦板の製造にあたっての帯状摩擦材の変化を示す平面図，図３は帯状摩擦材から摩擦材セグメントを得た後にスクラップとなる部分を示す図，図４はクラッチ用摩擦板を製造する製造装置の平面図，図５は図４の５−５線拡大断面図，図６は図５の６−６線断面図，図７は図４の７−７線断面図，図８は受け刃の形状を示す図，図９は切り離し手段および押さえ手段の作動状態での図５に対応した断面図，図１０は切り離し手段および押さえ手段の作動状態での図６に対応した断面図である。   1 to 10 show a first embodiment of the present invention. FIG. 1 is a plan view of a clutch friction plate, and FIG. 2 is a plan view showing changes in a belt-like friction material in manufacturing the clutch friction plate. FIG. 3 is a view showing a portion which becomes scrap after obtaining a friction material segment from a belt-like friction material, FIG. 4 is a plan view of a manufacturing apparatus for manufacturing a friction plate for a clutch, and FIG. 5 is an enlarged view of line 5-5 in FIG. 6 is a sectional view taken along line 6-6 in FIG. 5, FIG. 7 is a sectional view taken along line 7-7 in FIG. 4, FIG. 8 is a diagram showing the shape of the receiving blade, and FIG. FIG. 10 is a cross-sectional view corresponding to FIG. 5 in an activated state of the separating means and the pressing means.

先ず図１において，クラッチ用摩擦板１５Ａは，金属製の環状芯板１６と，該環状芯板１６が両面に有する環状平面１６ａ…に，たとえば三角形状の摩擦材セグメント１７と，その摩擦材セグメント１７から図１の反時計まわりに並ぶ４つの方形の摩擦材セグメント１８…とを１組のセグメント群１９Ａとして８組のセグメント群１９Ａ…が接着されて成るものであり，各摩擦材セグメント１７，１８…は，繊維成分，添加成分およびバインダ成分等から成るものである。また相互に隣接する摩擦材セグメント１７，１８；１８，１８間には油溝２０…が形成される。   First, referring to FIG. 1, a clutch friction plate 15A includes a metal annular core plate 16, an annular flat surface 16a which the annular core plate 16 has on both sides, a triangular friction material segment 17, and its friction material segment. The four square friction material segments 18 arranged in the counterclockwise direction in FIG. 1 are combined into one segment group 19A, and eight sets of segment groups 19A are bonded to each of the friction material segments 17, 18 is composed of a fiber component, an additive component, a binder component, and the like. In addition, oil grooves 20 are formed between the friction material segments 17, 18;

図２において，クラッチ用摩擦板１５Ａの製造にあたっては，次の（ａ）〜（ｄ）の各工程を実行して１組のセグメント群１９Ａを環状芯板１６の環状平面１６ａに同時に接着し，以後，（ａ）〜（ｄ）の工程を８回繰り返すことによって，環状芯板１６の一側の環状平面１６ａに各摩擦材セグメント１７，１８…を接着する。   In FIG. 2, in manufacturing the clutch friction plate 15A, the following steps (a) to (d) are performed to simultaneously bond a set of segment groups 19A to the annular flat surface 16a of the annular core plate 16, Thereafter, by repeating the steps (a) to (d) eight times, the friction material segments 17, 18... Are bonded to the annular flat surface 16 a on one side of the annular core plate 16.

（ａ）環状芯板１６の一直径線に沿う方向に帯状摩擦材２１を送りつつ該帯状摩擦材２１にその長手方向に沿う切り込みを入れて複数の短冊状摩擦材２２，２３…を形成する。この際，第１実施例では１組のセグメント群１９Ａが５つの摩擦材セグメント１７，１８…から成るものであるので，帯状摩擦材２１の幅方向に間隔をあけた４箇所に切り込みを入れることで５つの短冊状摩擦材２２，２３…を形成することになる。   (A) While feeding the strip-shaped friction material 21 in the direction along the one diameter line of the annular core plate 16, the strip-shaped friction material 21 is cut along the longitudinal direction to form a plurality of strip-shaped friction materials 22, 23. . At this time, in the first embodiment, since one set of segment group 19A is composed of five friction material segments 17, 18,..., Cuts are made at four locations spaced apart in the width direction of the belt-like friction material 21. Thus, five strip-shaped friction materials 22, 23... Are formed.

（ｂ）５つの短冊状摩擦材２２，２３…の先端部のうち各摩擦材セグメント１７，１８…に対応する部分の間に間隔を形成して環状芯板１６の周方向および前記一直径線に沿う方向での位置を定めつつ，環状芯板１６の上方位置で位置決め保持する。   (B) Outer ends of the five strip-shaped friction materials 22, 23,... Are formed between the portions corresponding to the friction material segments 17, 18,. Positioning and holding at a position above the annular core plate 16 is determined.

（ｃ）環状芯板１６の上方で位置決めした状態にある５つの短冊状摩擦材２２，２３…の先端部を少なくとも環状芯板１６の外周部に沿う円弧線２４ａを含む切除線２４で切り離して５つの摩擦材セグメント１７，１８…を形成する。而して第１実施例では，セグメント群１９Ａを構成する５つの摩擦材セグメント１７，１８…のうち環状芯板１６の周方向すなわち各摩擦材セグメント１７，１８…の配列方向に沿う一端側の摩擦材セグメント１７は三角形状であるので，前記切除線２４は，円弧線２４ａだけでなく，円弧線２４ａと交差する直線２４ｂを含むものとなる。   (C) The front ends of the five strip-shaped friction members 22, 23... Positioned above the annular core plate 16 are separated by a cutting line 24 including an arc line 24 a along at least the outer peripheral portion of the annular core plate 16. Five friction material segments 17, 18... Are formed. Thus, in the first embodiment, among the five friction material segments 17, 18... Constituting the segment group 19A, the circumferential direction of the annular core plate 16, that is, one end side along the arrangement direction of the friction material segments 17, 18. Since the friction material segment 17 has a triangular shape, the cut line 24 includes not only the arc line 24a but also a straight line 24b intersecting the arc line 24a.

（ｄ）接着剤が塗布された状態にある環状平面１６ａに５つの摩擦材セグメント１７，１８…を押しつけて接着する。   (D) The five friction material segments 17, 18... Are pressed and bonded to the annular flat surface 16a in a state where the adhesive is applied.

このような製造方法によると，図３で示すように，１組のセグメント群１９Ａを構成する５つの摩擦材セグメント１７，１８…が，帯状摩擦材２１の長手方向に沿って順に並ぶようにして形成されることになり，各群１９Ａ…のうち１つの摩擦材セグメント１７…が三角形状であることから，図３において相互に交差する斜線で示す部分がスクラップ２５…となる。   According to such a manufacturing method, as shown in FIG. 3, the five friction material segments 17, 18... Constituting one set of segment group 19 A are arranged in order along the longitudinal direction of the belt-shaped friction material 21. Since one friction material segment 17 of each group 19A has a triangular shape, a portion indicated by diagonal lines intersecting with each other in FIG.

上記製造方法を実施するための製造装置について次に説明すると，図４において，この製造装置は，接着剤が塗布された環状平面１６ａを上向きとした姿勢で環状芯板１６を位置決め支持しつつ間欠的に回動し得る支持手段２８と，該支持手段２８で位置決め支持された環状芯板１６の一直径線に沿う方向に延びる帯状摩擦材２１にたとえば４つの切り込みを入れて５つの短冊状摩擦材２２，２３…を形成する切断手段２９と，各短冊状摩擦材２２，２３…を環状芯板１６側に向けて送る送り手段３０と，５つの短冊状摩擦材２２，２３…の先端部のうち各摩擦材セグメント１７，１８…に対応する部分の間に間隔を形成して環状芯板１６の上方位置で位置決めするようにして保持する位置決めブロック３１と，位置決めブロック３１で位置決め保持された状態にある５つの短冊状摩擦材２２，２３…の先端部を切り離して５つの摩擦材セグメント１７，１８…を形成する切り離し手段３２と，切り離された５つの摩擦材セグメント１７，１８…を環状芯板１６の環状平面１６ａに向けて押しつける押さえ手段３３とを備える。   Next, a manufacturing apparatus for carrying out the above manufacturing method will be described. In FIG. 4, this manufacturing apparatus intermittently supports the positioning of the annular core plate 16 with the annular flat surface 16a coated with the adhesive facing upward. Support means 28 that can be rotated, and a belt-like friction material 21 that is positioned and supported by the support means 28 and that extends in the direction along the diameter line of the annular core plate 16. The cutting means 29 for forming the materials 22, 23 ..., the feeding means 30 for feeding the respective strip-shaped friction materials 22, 23 ... toward the annular core plate 16 side, and the tips of the five strip-shaped friction materials 22, 23 ... .. Of the friction material segments 17, 18... Are positioned at positions above the annular core plate 16, and are positioned by the positioning block 31. Are separated from each other to form the five friction material segments 17, 18..., And the five separated friction material segments 17,. And a pressing means 33 that presses 18... Toward the annular flat surface 16 a of the annular core plate 16.

図５および図６を併せて参照して，支持手段２８は，床面上に固定される基台３４に軸受３５を介して回動自在に支持される円板状の支持テーブル３６と，該支持テーブル３６を回動する駆動力を発揮するようにして支持テーブル３６の下方で基台３４に支持される電動モータ３７と，該電動モータ３７の駆動力を減速しつつ支持テーブル３６に伝達すべく支持テーブル３６および電動モータ３７間に設けられる伝動機構３８とを備える。
の接着剤（図示せず）が塗布された環状平面１６ａを上向きとした環状芯板１６は，その軸線を支持テーブル３６の回動軸線に一致させて支持テーブル３６上に位置決め支持されるものであり，電動モータ３７の作動は，環状芯板１６を軸線まわりに間欠的に回動せしめるべく制御される。而して第１実施例では，８組のセグメント群１９Ａ…を環状芯板１６の環状平面１６ａに接着するので，電動モータ３７は，環状芯板１６すなわち支持テーブル３６を４５度ずつ間欠的に回動するように制御される。 Referring to FIGS. 5 and 6 together, the support means 28 includes a disk-like support table 36 that is rotatably supported via a bearing 35 on a base 34 fixed on the floor surface, An electric motor 37 supported on the base 34 below the support table 36 so as to exert a driving force for rotating the support table 36, and the driving force of the electric motor 37 is transmitted to the support table 36 while decelerating. Therefore, a transmission mechanism 38 provided between the support table 36 and the electric motor 37 is provided.
The annular core plate 16 with the annular flat surface 16a coated with the adhesive (not shown) facing upward is positioned and supported on the support table 36 with its axis line coincident with the rotation axis of the support table 36. Yes, the operation of the electric motor 37 is controlled to rotate the annular core plate 16 intermittently around the axis. Thus, in the first embodiment, eight sets of segment groups 19A are bonded to the annular flat surface 16a of the annular core plate 16, so that the electric motor 37 intermittently attaches the annular core plate 16, that is, the support table 36 by 45 degrees. It is controlled to rotate.

再び図４において，切断手段２９は，帯状摩擦材２１の下面を接触させるようにして固定位置で回転する回転受け刃４０と，該回転受け刃４０の外周に接触するように回転して帯状摩擦材２１にその長手方向に沿う切り込みを入れることで複数の短冊状摩擦材２２，２３…を形成する１もしくは同軸の複数の回転丸刃４１…とを備えるものであり，この第１実施例では，帯状摩擦材２１から５つの短冊状摩擦材２２，２３…を形成するので，同軸である４つの回転丸刃４１…が，回転受け刃４０の外周に接触するように回転する。   In FIG. 4 again, the cutting means 29 is rotated so that the lower surface of the belt-like friction material 21 is in contact with the rotary receiving blade 40 rotating at a fixed position, and the outer circumference of the rotary receiving blade 40 is rotated to contact the belt-like friction. The material 21 is provided with one or a plurality of coaxial rotating round blades 41 to form a plurality of strip-shaped friction materials 22, 23... By cutting along the longitudinal direction of the material 21. In this first embodiment, .. Are formed from the belt-shaped friction material 21, so that the four rotating round blades 41, which are coaxial, rotate so as to come into contact with the outer periphery of the rotation receiving blade 40.

回転受け刃４０が備える回転軸４２ならびに各回転丸刃４１…が共通に備える回転軸４３は同期して逆方向に回転するようにして回転駆動源４４に連結される。   The rotary shaft 42 provided in the rotary receiving blade 40 and the rotary shaft 43 provided in common to each rotary round blade 41... Are connected to the rotary drive source 44 so as to rotate in the reverse direction in synchronization.

送り手段３０は，各短冊状摩擦材２２，２３…にその下方から共通に接触する送りローラ４５と，送りローラ４５との間に各短冊状摩擦材２２，２３…を挟み込みつつ各短冊状摩擦材２２，２３…の上面に個別に接触して回転する複数（この第１実施例では５つ）のウレタンローラ４６…とを備えるものであり，送りローラ４５の回転軸４７は各短冊状摩擦材２２，２３…の両側に配置される一対の支持板４９，４９で回転自在に支承され，一方の支持板４９に取付けられる駆動源５０に前記回転軸４７の一端が連結される。また各ウレタンローラ４６…が共通に備える回転軸４８は，送りローラ４５で送られる短冊状摩擦材２２，２３…に従動して各ウレタンローラ４６…が回転するようにして前記両支持板４９，４９で回転自在に支承される。   The feeding means 30 is configured so that each strip-shaped friction material 22, 23... Is sandwiched between the feed roller 45 and the feed roller 45 that are in common contact with each strip-shaped friction material 22, 23. A plurality of (in this first embodiment, five) urethane rollers 46 rotating individually in contact with the upper surfaces of the materials 22, 23... Are rotatably supported by a pair of support plates 49 and 49 arranged on both sides of the materials 22, 23... And one end of the rotary shaft 47 is connected to a drive source 50 attached to one of the support plates 49. Further, the rotation shaft 48 provided in common to each of the urethane rollers 46 is driven by the strip-shaped friction materials 22, 23... Fed by the feed roller 45 so that the urethane rollers 46. 49 is rotatably supported.

図７を併せて参照して，位置決めブロック３１は，支持テーブル３６上の環状芯板１６の一部に重なるようにして支持テーブル３６および送り手段３０間に配置されるものであり，制限された範囲での昇降を可能としつつ上方に向けてばね付勢される。すなわち基台３４には，各短冊状摩擦材２２，２３…の両側に位置するようにして一対のガイド筒５１，５１が立設されており，それらのガイド筒５１…内に上方から嵌合する嵌合軸５２，５２の上端が位置決めブロック３１に固着され，各ガイド筒５１…をそれぞれ囲繞する一対のコイルばね５３，５３が基台３４および位置決めブロック３１間に縮設される。   Referring also to FIG. 7, the positioning block 31 is disposed between the support table 36 and the feeding means 30 so as to overlap a part of the annular core plate 16 on the support table 36, and is limited. While being able to move up and down in a range, the spring is biased upward. That is, the base 34 is provided with a pair of guide cylinders 51, 51 standing on both sides of each of the strip-shaped friction materials 22, 23, and fitted into the guide cylinders 51 from above. The upper ends of the fitting shafts 52, 52 are fixed to the positioning block 31, and a pair of coil springs 53, 53 surrounding each guide cylinder 51... Are contracted between the base 34 and the positioning block 31.

しかも位置決めブロック３１には，前記送り手段３０を支持する一対の支持板４９，４９が固着されており，送り手段３０も位置決めブロック３１とともに昇降することになる。   In addition, a pair of support plates 49, 49 that support the feeding means 30 are fixed to the positioning block 31, and the feeding means 30 moves up and down together with the positioning block 31.

位置決めブロック３１は，前記各短冊状摩擦材２２，２３…を挿通せしめるガイド溝５４，５５…を下面に有するブロック主部３１ａと，該ブロック主部３１ａの下部から支持テーブル３６上の環状支持板１６側に張り出す張出部３１ｂとを一体に備える。前記張出部３１ｂは，各短冊状摩擦材２２，２３…の先端部のうち摩擦材セグメント１７，１８…に対応する部分の間に間隔を形成して環状芯板１６の周方向および環状芯板１６の一直径線に沿う方向での位置を定めつつ位置決めするようにして櫛歯状に形成されており，前記各短冊状摩擦材２２，２３…の先端部のうちブロック主部３１ａの各ガイド溝５４，５５…から環状芯板１６板側に突出する部分は，環状芯板１６の周方向および環状芯板１６の一直径線に沿う方向での位置が前記張出部３１ｂによって定められることになる。   The positioning block 31 includes a block main portion 31a having guide grooves 54, 55... Through which the strip-shaped friction materials 22, 23... Are inserted, and an annular support plate on the support table 36 from the lower portion of the block main portion 31a. A projecting portion 31b projecting toward the 16 side is integrally provided. The overhanging portion 31b forms a space between portions corresponding to the friction material segments 17, 18... Of the tip end portions of the respective strip-like friction materials 22, 23. It is formed in a comb-like shape so as to be positioned while determining a position along a diameter line of the plate 16, and each of the block main portions 31 a among the tip portions of the respective strip-shaped friction materials 22, 23. The portion protruding from the guide grooves 54, 55... Toward the annular core plate 16 is positioned by the projecting portion 31b in the circumferential direction of the annular core plate 16 and the position along the one diameter line of the annular core plate 16. It will be.

而して各短冊状摩擦材２２，２３…の長手方向に沿う移動は，位置決めブロック３１の張出部３１ｂによって各短冊状摩擦材２２，２３…が位置決めされた状態では停止するのであるが，この際，送り手段３０の送りローラ４５は空転することになる。   Thus, the movement along the longitudinal direction of each strip-shaped friction material 22, 23... Stops in a state where each strip-shaped friction material 22, 23. At this time, the feed roller 45 of the feed means 30 idles.

また位置決めブロック３１におけるブロック主部３１ａの上端には，該ブロック主部３１ａの上方に配置されるカム５６に弾発的に摺接する摺接突部３１ｃが突設されており，前記カム５６の回転軸５７は回転駆動源５８に連結される。これにより前記カム５６は回転駆動源５８によって回転駆動され，そのカム５６の回転に応じて，前記ブロック主部３１ａすなわち位置決めブロック３１が昇降することになる。しかも前記回転駆動源５８は，位置決めブロック３１の両側で基台３４に固定された支持枠５９に取付けられる。   Further, a sliding contact protrusion 31c is provided at the upper end of the block main portion 31a of the positioning block 31 so as to elastically contact the cam 56 disposed above the block main portion 31a. The rotation shaft 57 is connected to a rotation drive source 58. Accordingly, the cam 56 is rotationally driven by the rotational drive source 58, and the block main portion 31a, that is, the positioning block 31 is moved up and down in accordance with the rotation of the cam 56. Moreover, the rotational drive source 58 is attached to a support frame 59 fixed to the base 34 on both sides of the positioning block 31.

切り離し手段３２は，前記支持手段２８の支持テーブル３６上で位置決め支持された環状芯板１６に対して上下に移動可能であるとともに環状芯板１６の外周部に沿う円弧部６０ａを少なくとも有する切り刃６０と，位置決めブロック３１で位置決め保持された状態にある各短冊状摩擦材２２，２３…の先端部を切り刃６０との協働により切り離して５つの摩擦材セグメント１７，１８…を形成すべく位置決めブロック３１に固定される受け刃６１とを備える。   The detaching means 32 can move up and down with respect to the annular core plate 16 positioned and supported on the support table 36 of the support means 28, and has at least an arc portion 60a along the outer peripheral portion of the annular core plate 16. In order to form five friction material segments 17, 18..., 60, the front ends of the strip-shaped friction materials 22, 23. A receiving blade 61 fixed to the positioning block 31.

切り刃６０は，位置決めブロック３１に対して上下に相対移動することを可能として位置決めブロック３１に支持されるものであり，位置決めブロック３１のブロック主部３１ａおよび張出部３１ｂ間には，切り刃６０の上下移動を可能とするための空隙が形成される。また環状芯板１６の外周部に沿う円弧部６０ａを少なくとも有する切り刃６０は，この第１実施例では，セグメント群１９Ａを構成する５つの摩擦材セグメント１７，１８散点ｂのうち環状芯板１６の周方向すなわち各摩擦材セグメント１７，１８…の配列方向に沿う一端側の摩擦材セグメント１７が三角形状であるので，円弧部６０ａだけでなく，円弧部６０ａと交差する直線部６０ｂを含むものとなる。一方，受け刃６１は，切り刃６０の形状に対応して図８で示すように形成され，前記位置決めブロック３１のブロック主部３１ａがその下面に備えるガイド溝５４，５５…を下方から塞ぐようにして前記ブロック主部３１ａの下面に固定される。   The cutting blade 60 is supported by the positioning block 31 so as to be able to move up and down relative to the positioning block 31. Between the block main portion 31a and the overhanging portion 31b of the positioning block 31, there is a cutting blade. A gap is formed to allow 60 vertical movements. In the first embodiment, the cutting blade 60 having at least the arc portion 60a along the outer peripheral portion of the annular core plate 16 is an annular core plate among the five friction material segments 17 and 18 scattered points b constituting the segment group 19A. The friction material segments 17 on one end side along the circumferential direction of the sixteen friction materials segments 17, 18... Are triangular, and therefore include not only the arc portion 60a but also the straight portion 60b that intersects the arc portion 60a. It will be a thing. On the other hand, the receiving blade 61 is formed as shown in FIG. 8 corresponding to the shape of the cutting blade 60, and the block main portion 31a of the positioning block 31 closes the guide grooves 54, 55. And fixed to the lower surface of the block main portion 31a.

前記切り刃６０を有する切り離し手段３２には，上方に延びる連結ロッド６３の下端が回動自在に連結されており，この連結ロッド６３の上端部は，前記カム５６の回転軸５７の回転軸線から偏心した位置に回動可能に連結される。したがってカム５６の回転に伴って切り刃６０も上下に移動することになり，位置決めブロック３１および受け刃６１と，切り刃６０と，位置決めブロック３１および受け刃６１に対して切り刃６０を上下に相対移動させることを可能としつつ，共通な回転駆動源５８によって昇降作動させることができる。   The lower end of a connecting rod 63 extending upward is rotatably connected to the separating means 32 having the cutting blade 60, and the upper end portion of the connecting rod 63 is separated from the rotation axis of the rotating shaft 57 of the cam 56. It is rotatably connected to an eccentric position. Accordingly, the cutting blade 60 moves up and down as the cam 56 rotates, and the cutting blade 60 moves up and down with respect to the positioning block 31 and the receiving blade 61, the cutting blade 60, and the positioning block 31 and the receiving blade 61. It can be moved up and down by a common rotational drive source 58 while allowing relative movement.

押さえ手段３３は，環状芯板１６に接着されるべき摩擦材セグメント１７，１８…に個別に対応して前記切り刃６０に一体に設けられた複数の押さえ突部６４，６５…から成るものであり，各押さえ突部６４，６５…は，切り刃６０が位置決めブロック３１に対して下方に相対動したときに位置決めブロック３１の張出部３１ｂ内に上方から挿入される形状に形成される。   The pressing means 33 is composed of a plurality of pressing protrusions 64, 65, which are integrally provided on the cutting blade 60, corresponding to the friction material segments 17, 18 ... to be bonded to the annular core plate 16, respectively. Each pressing protrusion 64, 65... Is formed into a shape that is inserted into the protruding portion 31b of the positioning block 31 from above when the cutting blade 60 moves relative to the positioning block 31 downward.

また切り刃６０および受け刃６１によって三角形状の摩擦材セグメント１７を短冊状摩擦材２２の先端部から切り離す際に，三角形状のスクラップ２５が生じるが，このスクラップに対応する部分で前記張出部３１ｂには開口部６７が設けられており，切り刃６０には，前記受け刃６１の上面に残ったスクラップ２５を開口部６７から外方に払い出すための払い出し部材６６が取付けられる。   Further, when the triangular friction material segment 17 is separated from the front end portion of the strip-shaped friction material 22 by the cutting blade 60 and the receiving blade 61, a triangular scrap 25 is generated. The protruding portion is formed at a portion corresponding to this scrap. An opening 67 is provided in 31 b, and a dispensing member 66 for dispensing the scrap 25 remaining on the upper surface of the receiving blade 61 outward from the opening 67 is attached to the cutting blade 60.

このような位置決めブロック３１，切り離し手段３２および押さえ手段３３の働きについて図９および図１０を参照しつつ説明すると，送り手段３０で送られてくる短冊状摩擦材２２，２３…は，図５および図７で示すように比較的上方位置にある位置決めブロック３１によって位置決め保持された後，位置決めブロック３１が降下することにより，支持テーブル３６上の環状芯板１６の直上にもたらされる。この後，切り刃６０が位置決めブロック３１に対して相対的に下方に移動することにより，切り刃６０および受け刃６１によって各短冊状摩擦材２２，２３…に先端部から摩擦材セグメント１７，１８…が切り離されることになる。次いで切り刃６０が図９および図１０で示すようにさらに降下すると，各摩擦材セグメント１７，１８…は，位置決めブロック３１および受け刃６１でガイドされつつ押さえ手段３３の各押さえ突部６４，６５…で下方に押さえられ，接着剤が既に塗布されている環状芯板１６の環状平面１６ａに押しつけられることになる。   The functions of the positioning block 31, the separating means 32 and the pressing means 33 will be described with reference to FIGS. 9 and 10. The strip-shaped friction materials 22, 23.. As shown in FIG. 7, after being positioned and held by the positioning block 31 located at a relatively upper position, the positioning block 31 is lowered to be brought directly above the annular core plate 16 on the support table 36. Thereafter, the cutting blade 60 moves downward relative to the positioning block 31, so that the cutting blade 60 and the receiving blade 61 cause the strip-shaped friction materials 22, 23. ... will be cut off. When the cutting blade 60 is further lowered as shown in FIGS. 9 and 10, the friction material segments 17, 18... Are guided by the positioning block 31 and the receiving blade 61, and the pressing protrusions 64, 65 of the pressing means 33. Are pressed downward and pressed against the annular flat surface 16a of the annular core plate 16 to which the adhesive has already been applied.

次にこの第１実施例の作用について説明すると，環状芯板１６の環状平面１６ａに，複数たとえば５つの摩擦材セグメント１７，１８…を，それらの摩擦材セグメント１７，１８；１８，１８間に油溝２０…を形成するようにして接着するにあたっては，帯状摩擦材２１にその長手方向に沿う切り込みを入れることによって複数たとえば５つの短冊状摩擦材２２，２３…を形成し，それらの短冊状摩擦材２２，２３…の先端部のうち摩擦材セグメント１７，１８…に対応する部分の間に間隔を形成し，環状芯板１６の上方位置で位置決め保持した状態で，少なくとも環状芯板１６の外周部に沿う円弧線２４ａを含む切除線２４（この第１実施例では円弧線２４ａおよび直線２４ｂを含む切除線２４）で切り離すことで形成した複数たとえば５つの摩擦材セグメント１７，１８…を，接着剤が塗布された環状芯板１６の環状平面１６ａに押しつけて接着するようにしている。   Next, the operation of the first embodiment will be described. A plurality of, for example, five friction material segments 17, 18... Are provided on the annular flat surface 16a of the annular core plate 16 between the friction material segments 17, 18; When adhering to form the oil grooves 20..., A plurality of, for example, five strip-shaped friction materials 22, 23... Are formed by making a cut along the longitudinal direction of the belt-shaped friction material 21. In the state where a space is formed between portions corresponding to the friction material segments 17, 18... Of the front ends of the friction materials 22, 23. A plurality of, for example, 5 formed by cutting along a cutting line 24 including an arc line 24a along the outer periphery (in this first embodiment, a cutting line 24 including an arc line 24a and a straight line 24b). The friction material segments 17 and 18 ..., and so as to adhere against the annular flat 16a of the annular core plate 16 to which the adhesive is applied.

このような製造方法によれば，環状芯板１６の接線方向に沿う方向で送られる帯状摩擦材２１をその先端部から順番に切断して得た摩擦材セグメントを環状芯板１６に接着するようにした従来のものに比べれば，各摩擦材セグメント１７，１８；１８，１８相互間の油溝２０…の幅および形状の自由度を高めることができる。   According to such a manufacturing method, the friction material segment obtained by cutting the belt-shaped friction material 21 sent in the direction along the tangential direction of the annular core plate 16 in order from the tip portion thereof is bonded to the annular core plate 16. Compared with the conventional one, the width and shape of the oil grooves 20 between the friction material segments 17, 18; 18, 18 can be increased.

また帯状摩擦材２１に打ち抜き加工を施すことで得た複数の摩擦材セグメントを環状芯板１６に接着するようにした従来のものでは，図１１で示すように打ち抜き後に大きなスクラップ７０が生じるのに対し，第１実施例のものでは図３で示したように小さな面積のスクラップ２５…が生じるのみであり，摩擦材セグメント１７，１８…を製作する上での歩留りの向上を図ることが可能となる。   Further, in the conventional structure in which a plurality of friction material segments obtained by punching the belt-shaped friction material 21 are bonded to the annular core plate 16, a large scrap 70 is generated after punching as shown in FIG. On the other hand, in the first embodiment, only a small area of scrap 25 is generated as shown in FIG. 3, and it is possible to improve the yield in manufacturing the friction material segments 17, 18,. Become.

しかもクラッチ用摩擦板１５Ａを製造するための製造装置では，帯状摩擦材２１の下面を接触させる回転受け刃４０と，該回転受け刃４０の外周に接触するように回転する１もしくは同軸の複数（第１実施例では４つ）の回転丸刃４１とで，帯状摩擦材２１に切り込みを入れて複数の短冊状摩擦材２２，２３…を形成し，形成された複数の短冊状摩擦材２２，２３…を，各短冊状摩擦材２２，２３…にその下方から共通に接触する送りローラ４５ならびに各短冊状摩擦材２２，２３…の上面に個別に接触して回転する複数（第１実施例では５つの）ウレタンローラ４６…で環状芯板１６側に送り，位置決めブロック３１により環状芯板１６の上方位置で相互に間隔をおいて位置決め保持された複数の短冊状摩擦材２２，２３…の先端部を，上下に移動するとともに環状芯板１６の外周部に沿う円弧部６０ａを少なくとも有する切り刃６０（第１実施例では円弧部６０ａおよび直線部６０ｂを有する切り刃６０）ならびに位置決めブロック３１に取付けられる受け刃６１により切除して複数の摩擦材セグメント１７，１８…を形成し，それらの摩擦材セグメント１７，１８…を切り刃６０に設けられる押さえ手段３３で環状平面１６ａに押しつけるようにしている。   In addition, in the manufacturing apparatus for manufacturing the clutch friction plate 15A, the rotary receiving blade 40 that makes contact with the lower surface of the belt-like friction material 21 and one or a plurality of coaxial rotations that rotate to contact the outer periphery of the rotary receiving blade 40 ( The strip-shaped friction material 21 is cut with four rotary round blades 41 in the first embodiment to form a plurality of strip-shaped friction materials 22, 23..., And the plurality of strip-shaped friction materials 22, Are rotated in contact with the upper surface of each of the strip-shaped friction materials 22, 23... (First embodiment). In this case, a plurality of strip-shaped friction materials 22, 23... Fed to the annular core plate 16 side by five urethane rollers 46, and positioned and held at positions above the annular core plate 16 by the positioning block 31. Tip up The cutting blade 60 (at least in the first embodiment the cutting blade 60 having the arc portion 60a and the straight portion 60b) and the receiving blade attached to the positioning block 31 A plurality of friction material segments 17, 18... Are formed by cutting with 61, and the friction material segments 17, 18... Are pressed against the annular flat surface 16 a by pressing means 33 provided on the cutting blade 60.

このように，帯状摩擦材２１に切り込みをいれて短冊状摩擦材２２，２３…を形成するためには，回転受け刃４０および回転丸刃４１…を用い，各短冊状摩擦材２２，２３…の先端部から摩擦材セグメント１７，１８…を切り離すにあたっては切り刃６０および受け刃６１を用いるようにしており，切断部分の毛羽立ちや切断に伴う塵埃の発生を極力抑制しつつ，打ち抜き型を用いるものに比べると簡単かつ安価な構成で上記製造方法を適切に実施することができる。   In this way, in order to cut the belt-shaped friction material 21 to form the strip-shaped friction materials 22, 23..., The rotary receiving blades 40 and the rotating round blades 41. The cutting blade 60 and the receiving blade 61 are used for separating the friction material segments 17, 18... From the tip of the cutting portion, and a punching die is used while suppressing the generation of dust at the cutting portion and the cutting as much as possible. The above manufacturing method can be appropriately implemented with a simple and inexpensive configuration as compared with the conventional one.

図１２は本発明の第２実施例を示すものであり，このクラッチ用摩擦板１５Ｂは，金属製の環状芯板１６と，該環状芯板１６が両面に有する環状平面１６ａ…に，同一形状かつ相互に平行な複数たとえば５つの摩擦材セグメント１８…を１組のセグメント群１９Ｂとしてたとえば１０組のセグメント群１９Ｂ…が，各群１９Ｂ…の相互に隣接する摩擦材セグメント１８，１８…間に油溝２０…を形成するとともに各群１９ｂ…相互間には三角形状の油溝６８…を形成するようにして接着されて成るものである。   FIG. 12 shows a second embodiment of the present invention. This clutch friction plate 15B has the same shape on a metal annular core plate 16 and an annular flat surface 16a which the annular core plate 16 has on both sides. In addition, a plurality of, for example, five friction material segments 18 parallel to each other are used as one set of segment group 19B, and for example, 10 sets of segment groups 19B are arranged between adjacent friction material segments 18, 18 of each group 19B. The oil grooves 20 are formed and bonded together so as to form triangular oil grooves 68 between the groups 19b.

この第２実施例によれば，５つの短冊状摩擦材から摩擦材セグメント１８…をそれぞれ切り離す際の切除線は円弧線だけでよく，製造装置における切り離し手段３２の構成をより単純化することができ，しかもスクラップが生じないので歩留りを１００％まで高めることができる。   According to the second embodiment, the cutting line for separating the friction material segments 18 from the five strip-shaped friction materials may be only an arc line, and the configuration of the separation means 32 in the manufacturing apparatus can be further simplified. In addition, since no scrap is generated, the yield can be increased to 100%.

以上，本発明の実施例を説明したが，本発明は上記実施例に限定されるものではなく，特許請求の範囲に記載された本発明を逸脱することなく種々の設計変更を行うことが可能である。   Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various design changes can be made without departing from the present invention described in the claims. It is.

第１実施例のクラッチ用摩擦板の平面図である。It is a top view of the friction plate for clutches of 1st Example. クラッチ用摩擦板の製造にあたっての帯状摩擦材の変化を示す平面図である。It is a top view which shows the change of the strip | belt-shaped friction material in the case of manufacture of the friction plate for clutches. 帯状摩擦材から摩擦材セグメントを得た後にスクラップとなる部分を示す図である。It is a figure which shows the part used as a scrap, after obtaining a friction material segment from a strip | belt-shaped friction material. クラッチ用摩擦板を製造する製造装置の平面図である。It is a top view of the manufacturing apparatus which manufactures the friction plate for clutches. 図４の５−５線拡大断面図である。FIG. 5 is an enlarged sectional view taken along line 5-5 of FIG. 図５の６−６線断面図である。FIG. 6 is a sectional view taken along line 6-6 of FIG. 図４の７−７線断面図である。FIG. 7 is a cross-sectional view taken along line 7-7 in FIG. 4. 受け刃の形状を示す図である。It is a figure which shows the shape of a receiving blade. 切り離し手段および押さえ手段の作動状態での図５に対応した断面図である。FIG. 6 is a cross-sectional view corresponding to FIG. 5 in an operating state of the separating means and the pressing means. 切り離し手段および押さえ手段の作動状態での図６に対応した断面図である。FIG. 7 is a cross-sectional view corresponding to FIG. 打ち抜きにより摩擦材セグメントを得るようにした従来例でのスクラップを示す図である。It is a figure which shows the scrap in the prior art example which was made to obtain a friction material segment by punching. 第２実施例のクラッチ用摩擦板の平面図である。It is a top view of the friction plate for clutches of 2nd Example.

符号の説明Explanation of symbols

１５Ａ，１５Ｂ・・・クラッチ用摩擦板
１６・・・環状芯板
１６ａ・・・環状平面
１７，１８・・・摩擦材セグメント
２０，６８・・・油溝
２１・・・帯状摩擦材
２２，２３・・・短冊状摩擦材
２４・・・切除線
２４ａ・・・円弧線
２８・・・支持手段
３１・・・位置決めブロック
３３・・・押さえ手段
４０・・・回転受け刃
４１・・・回転丸刃
４５・・・送りローラ
４６・・・ウレタンローラ
６０・・・切り刃
６０ａ・・・円弧部
６１・・・受け刃 15A, 15B ... Clutch friction plate 16 ... annular core plate 16a ... annular plane 17, 18 ... friction material segment 20, 68 ... oil groove 21 ... belt-like friction material 22, 23 ... Strip-shaped friction material 24 ... Resection line 24a ... Arc line 28 ... Support means 31 ... Positioning block 33 ... Pressing means 40 ... Rotary receiving blade 41 ... Rotary circle Blade 45 ... Feed roller 46 ... Urethane roller 60 ... Cutting blade 60a ... Arc portion 61 ... Receiving blade

Claims (2)

環状芯板（１６）の環状平面（１６ａ）に，複数の摩擦材セグメント（１７，１８）を，それらの摩擦材セグメント（１７，１８）間に油溝（２０，６８）を形成するようにして接着することでクラッチ用摩擦板（１５Ａ，１５Ｂ）を製造する製造方法であって，前記環状芯板 （１６）の一直径線に沿う方向に帯状摩擦材（２１）を送りつつ該帯状摩擦材（２１）にその長手方向に沿う連続的な切り込みを入れて複数の短冊状摩擦材（２２，２３）を形成する工程と，複数の前記短冊状摩擦材（２２，２３）の先端部のうち前記摩擦材セグメント（１７，１８）に対応する部分の相互間に油溝の幅に対応する間隔を保持して，該部分を前記環状芯板 （１６）の周方向および前記一直径線に沿う方向での位置を定めつつ該環状芯板（１６）の上方位置で位置決め保持する工程と，環状芯板（１６）の上方で位置決めした状態にある複数の前記短冊状摩擦材（２２，２３）の先端部を，上下に移動可能な切り刃（６０）により少なくとも前記環状芯板（１６）の外周部に沿う円弧線（２４ａ）を含む切除線（２４）で切り離して複数の前記摩擦材セグメント（１７，１８）を形成する工程と，接着剤が塗布された状態にある前記環状平面（１６ａ）に，複数の前記摩擦材セグメント（１７，１８）を，前記切り刃（６０）に設けられた押さえ手段（３３）によって押しつけて接着する工程とを用いることを特徴とするクラッチ用摩擦板の製造方法。 A plurality of friction material segments (17, 18) are formed on the annular flat surface (16a) of the annular core plate (16), and oil grooves (20, 68) are formed between the friction material segments (17, 18). The clutch friction plates (15A, 15B) are manufactured by bonding them together, and the belt-like friction material (21) is fed in a direction along one diameter line of the annular core plate (16). Forming a plurality of strip-shaped friction materials (22, 23) by making continuous cuts in the longitudinal direction of the material (21), and a plurality of strip-shaped friction materials (22, 23) An interval corresponding to the width of the oil groove is maintained between the portions corresponding to the friction material segments (17, 18), and the portions are arranged in the circumferential direction of the annular core plate (16) and the one diameter line. Of the annular core plate (16) while determining the position along the direction. A step of positioning and holding in rectangular position, the annular core plate (16) of the plurality of strip-shaped friction material in a state of being positioned above the distal end of the (22, 23), movable cutting blade in the vertical (60) And cutting the cutting line (24) including the arc line (24a) along at least the outer periphery of the annular core plate (16) to form the plurality of friction material segments (17, 18), and applying an adhesive the annular plane (16a) in the state, using a step of bonding a plurality of said friction material segments (17, 18), against the said cutting edge (60) to provided the presser means (33) A method for producing a friction plate for a clutch. 環状芯板（１６）の環状平面（１６ａ）に，複数の摩擦材セグメント（１７，１８）を，それらの摩擦材セグメント（１７，１８）間に油溝（２０，６８）を形成するようにして接着することでクラッチ用摩擦板（１５Ａ，１５Ｂ）を製造する製造装置であって，接着剤が塗布された前記環状平面（１６ａ）を上向きとした前記環状芯板（１６）をその軸線まわりに間欠的に回動せしめるようにして位置決め支持し得る支持手段（２８）と，該支持手段（２８）で位置決め支持された環状芯板（１６）の一直径線に沿う方向に延びる帯状摩擦材（２１）の下面を接触させるようにして固定位置で回転する回転受け刃（４０）と，該回転受け刃（４０）の外周に接触するように回転して前記帯状摩擦材（２１）にその長手方向に沿う切り込みを入れることで複数の短冊状摩擦材（２２，２３）を形成する１もしくは同軸の複数の回転丸刃（４１）と，前記支持手段（２８）で位置決め支持された前記環状芯板（１６）側に向けて複数の前記短冊状摩擦材（２２，２３）を送るべく各短冊状摩擦材（２２，２３）にその下方から共通に接触する送りローラ（４５）と，送りローラ（４５）との間に各短冊状摩擦材（２２，２３）を挟み込みつつ各短冊状摩擦材（２２，２３）の上面に個別に接触して回転する複数のウレタンローラ（４６）と，前記送りローラ（４５）および複数の前記ウレタンローラ（４６）で送り込まれる複数の短冊状摩擦材（２２，２３）の先端部のうち前記摩擦材セグメント（１７，１８）に対応する部分の相互間に油溝の幅に対応する間隔を形成して，該部分を前記環状芯板（１６）の周方向および前記一直径線に沿う方向での位置を定めつつ該環状芯板（１６）の上方位置で位置決め保持する櫛歯状に形成された張出部（３１ｂ）を一体に有する位置決めブロック（３１）と，前記支持手段（２８）で位置決め支持された環状芯板（１６）に対して上下に移動可能であるとともに前記環状芯板（１６）の外周部に沿う円弧部（６０ａ）を少なくとも有する切り刃（６０）と，前記位置決めブロック（３１）で位置決め保持された状態にある複数の短冊状摩擦材（２２，２３）の先端部を前記切り刃（６０）との協働により切り離して複数の前記摩擦材セグメント（１７，１８）を形成すべく前記位置決めブロック（３１）に固定される受け刃（６１）と，前記切り刃（６０）および受け刃（６１）で切り離された複数の摩擦材セグメント（１７，１８）を環状芯板（１６）の環状平面（１６ａ）に向けて押しつけることを可能として前記切り刃（６０）に設けられる押さえ手段（３３）とを備えることを特徴とするクラッチ用摩擦板の製造装置。 A plurality of friction material segments (17, 18) are formed on the annular flat surface (16a) of the annular core plate (16), and oil grooves (20, 68) are formed between the friction material segments (17, 18). And manufacturing the clutch friction plates (15A, 15B) by bonding the annular core plate (16) with the annular flat surface (16a) coated with the adhesive upward. Support means (28) that can be positioned and supported so as to rotate intermittently, and a belt-like friction material that extends in a direction along one diameter line of the annular core plate (16) that is positioned and supported by the support means (28) A rotating blade (40) that rotates at a fixed position so that the lower surface of (21) is in contact with the belt-shaped friction material (21) that rotates so as to contact the outer periphery of the rotating blade (40). Cut along the longitudinal direction 1 or a plurality of coaxial rotating round blades (41) forming a plurality of strip-like friction materials (22, 23), and the annular core plate (16) side positioned and supported by the support means (28) A feed roller (45), which is in common contact with each strip-like friction material (22, 23) from below to feed a plurality of the strip-like friction materials (22, 23) toward A plurality of urethane rollers (46) rotating in contact with the upper surfaces of the respective strip-shaped friction materials (22, 23) while sandwiching the respective strip-shaped friction materials (22, 23) therebetween, and the feed roller (45) And the width of the oil groove between the portions corresponding to the friction material segments (17, 18) among the tip portions of the plurality of strip-like friction materials (22, 23) fed by the plurality of urethane rollers (46). to form the corresponding interval, partial It said annular core plate (16) in the circumferential direction and the comb shape are formed in projecting portion for positioning held at a position above the while defining a position in the direction along one diameter line annular core plate (16) (31b ) And an annular core plate (16) positioned and supported by the support means (28), and can be moved up and down on the outer peripheral portion of the annular core plate (16). A cutting edge (60) having at least an arcuate part (60a) along the tip of the plurality of strip friction materials (22, 23) positioned and held by the positioning block (31) ), A receiving blade (61) fixed to the positioning block (31) so as to be separated to form a plurality of the friction material segments (17, 18), the cutting blade (60) and the receiving blade ( 61) A pressing means (33) provided on the cutting blade (60) for enabling the plurality of separated friction material segments (17, 18) to be pressed toward the annular flat surface (16a) of the annular core plate (16). An apparatus for producing a friction plate for a clutch, comprising:
JP2003425562A 2003-12-22 2003-12-22 Method and apparatus for manufacturing clutch friction plate Expired - Fee Related JP3971745B2 (en)

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JP2003425562A JP3971745B2 (en) 2003-12-22 2003-12-22 Method and apparatus for manufacturing clutch friction plate
US10/913,497 US7240413B2 (en) 2003-12-22 2004-08-09 Process and device for producing clutch friction plate
DE602004021341T DE602004021341D1 (en) 2003-12-22 2004-08-12 Method and device for producing a clutch disc
EP04254854A EP1548312B1 (en) 2003-12-22 2004-08-12 Process and device for producing clutch friction plate
CA002478134A CA2478134C (en) 2003-12-22 2004-08-17 Process and device for producing clutch friction plate
US11/808,820 US7434300B2 (en) 2003-12-22 2007-06-13 Process and device for producing clutch friction plate

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US20080034564A1 (en) 2008-02-14
JP2005180651A (en) 2005-07-07
EP1548312B1 (en) 2009-06-03
US7240413B2 (en) 2007-07-10
CA2478134A1 (en) 2005-06-22
DE602004021341D1 (en) 2009-07-16
US7434300B2 (en) 2008-10-14
CA2478134C (en) 2007-12-18
EP1548312A2 (en) 2005-06-29
US20050133332A1 (en) 2005-06-23

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